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PhysicsForums Circuit Question  
17:33 20-Nov-07   [Replies: 4, Views: 17]    By: Unnamed
circuit.bmp [http://www.physicsforums.com/attachment.php?attachmentid=11641&d=1195598084]> Hello everyone, I am trying to learn about electrical circuits for a physics class. I have at...
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PhysicsForums Matlab Transfer Function  
14:22 20-Nov-07   [Replies: 3, Views: 78]    By: Unnamed
Hi, I'm trying to enter this into matlab: G(s) = -1/((C1+C2)s) How can I enter this into matlab? Thanks!...
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PhysicsForums More killed mining coal in Ukraine than killed by Chernobyl  
06:04 20-Nov-07   [Replies: 3, Views: 76]    By: Unnamed
This week there were 100 people killed in a single coal mine explosion in the Ukraine. According to this report [http://www.washingtonpost.com/wp-dyn/content/article/2007/11/18/AR2007111800127.html?h...
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boards.ie Salary survey  
22:35 19-Nov-07   [Replies: 7, Views: 406]    By: PGL
Hi All I am in search of information regarding salaries in the engineering consultancy sector. I need this info to get a handle on whether I am being paid enough! Can anyone point me in th...
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boards.ie Shear modulus from a 'torque-angle of twist' diagram  
18:33 19-Nov-07   [Replies: 1, Views: 74]    By: sebastianlieken
I hope i'm posting this in the right thread i have a question concerning torsion testing of a cylindrical shaft in relation to 'shear modulus' i have incremental data in tabular form with which iv...
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PhysicsForums Loadcell Shield Connection  
13:56 19-Nov-07   [Replies: 4, Views: 78]    By: Unnamed
Hello, When is it OK to connect the shield wire of a loadcell to the 0V rail vs chassis ground? I have seen it connected to the 0V rail but other sources seem to indicate that it should be connect...
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boards.ie Rotating Parts  
12:09 19-Nov-07   [Replies: 4, Views: 135]    By: di11on
Hi Folks, I'm looking for a simple (low cost) way to connect two parts and allow them to rotate relative to each other. I'm suprised there isn't a standard part which I could just bolt to the ...
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PhysicsForums maximum load - floor joists  
19:39 17-Nov-07   [Replies: 1, Views: 66]    By: Unnamed
Hi everyone, I am remodeling a recently bought home. One of the upstairs rooms is a game room and I plan on putting a pool table (1000 lbs) in it. The original floor joists were 2x6 16" ...
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boards.ie cant decide between mechanical or civil  
18:56 17-Nov-07   [Replies: 32, Views: 836]    By: DoubleJK
Hello, I am not american but I guess the jobs aren't that different from different countries. The problem is I can't decide between choosing mechanical or civil-engineering. I reallyreally ...
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boards.ie Engineering Topic #1: Sputnik 1  
12:37 17-Nov-07   [Replies: 1, Views: 159]    By: Myth
This is simply an idea which I'm going to throw out there. Similar to how some of the other fora have 'album of the week' or 'film of the week', I thought how it might be an idea to throw up an en...
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PhysicsForums Loop and Nodal Analysis  
11:56 17-Nov-07   [Replies: 2, Views: 96]    By: Unnamed
Could u guys reccomend some e books for loop and nodal analysis . I am having some problems implenting the methods to solve poblems. or may be u could give me some tips...
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PhysicsForums Clamping Circuits  
05:40 17-Nov-07   [Replies: 0, Views: 12]    By: Unnamed
I have a negative clamper with a simple capacitor and a single diode. This circuit clamps the Sinusoidal wave (2V- peak to peak) to the negative peaks and makes the output (0 to 4V) .. My question ...
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PhysicsForums Syringe pump  
11:55 16-Nov-07   [Replies: 8, Views: 67]    By: Unnamed
What does it take to manufacture such a syringe pump? What kind of motor is usually used in these systems? http://www.macros.com.tw/p_kds.asp [http://www.macros.com.tw/p_kds.asp]>...
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boards.ie Suggestions - want to help the Engineering Forum?  
00:35 16-Nov-07   [Replies: 0, Views: 62]    By: Myth
Simple enough query, do you have any suggestions for the Engineering Forum? Perhaps you'd like to see some more information displayed a specific subject? Perhaps a review of the links thread? Perh...
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boards.ie Polish Engineering Degree  
16:17 14-Nov-07   [Replies: 6, Views: 284]    By: cunnins4
There's a Polish lad working on the bathroom in my house at the moment and he's studying Engineering back in Poland (He goes home twice a month the crazy f*cker). Anyway, I was talking to him ...
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boards.ie 2 unrelated structural engineering questions  
01:45 14-Nov-07   [Replies: 1, Views: 90]    By: breadmonkey
DIdn't really want to start 2 threads. 1) Vibration of a slender roof in a stadium Anyone know where I can find anything that addresses this issue? Part of another project thingy. I searched the w...
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boards.ie Civil and Electrical.........help!  
23:18 13-Nov-07   [Replies: 47, Views: 1667]    By: eoghan h
Hey Just wondering why Elec Eng is like 200 points less then Civil???? Are Civil Engineers paid more or is civil a better engineeribg degree?? ....I'm confuzzled My career guidance tea...
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PhysicsForums Small Tracking devices  
19:13 13-Nov-07   [Replies: 4, Views: 34]    By: Unnamed
Does anyone know of a very small tracking device or tag that can be tracked .5 mile or more and the size of watch battery or smaller. I looking for such a device for dog tracking....
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boards.ie Strength of aluminium  
16:40 13-Nov-07   [Replies: 1, Views: 66]    By: kdouglas
Good afternoon gents, following a discussion over on the airsoft forum regarding the ability of 0.2g 6mm bb to penetrate an aluminium coke can, some of use were wondering, how much force does it a...
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boards.ie German WWII Anti Tank Gun PzB41  
14:47 13-Nov-07   [Replies: 1, Views: 86]    By: di11on
Hi folks, I'm looking for a full sized replica of a German WWII Anti Tank gun/rifle... please see here: http://www.boards.ie/vbulletin/showt...1#post54411691 [http://www.boards.ie/vbulleti...
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boards.ie UCD CivEng is ****...  
14:05 13-Nov-07   [Replies: 17, Views: 552]    By: snack_ie
I feel like a rant about engineering... Currently on exchange in Melbourne studying Civil Eng here and compared to back at UCD it pisses all over it... UCD engineering in general is a f**king jo...
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Vex Fan Forum Microsoft Xbox 360 Platinum Bundle Console At Just $220usd  
04:55 13-Nov-07   [Replies: 0, Views: 6]    By: <Missing>
Nokia N92 At Just $400 Nokia N93 At Just $300 Nokia N95 At Just $300 Nokia N91 8GB Music Edition At Just $250 Nokia 8800 SIROCCO At Just $250 Nokia N93i At Just $250 Nokia N91 Smartphone At ...
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Vex Fan Forum Apple Iphone 4gb & 8gb  
04:50 13-Nov-07   [Replies: 0, Views: 7]    By: <Missing>
Apple Iphone 4gb & 8gb The Apple Iphone is Original,brandnew,Unlocked,Sealed in new company box and comes with complete accessories also with years of international warranty with 1month ref...
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PhysicsForums Signal and data processing  
09:40 12-Nov-07   [Replies: 0, Views: 2]    By: Unnamed
>Hii everybody Am having some problems and facing some dificulties concerning, the topic of operational amplifiers and more precisly feeding back with the inverting and non inverting terminlas, ...
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PhysicsForums Hazardous Material -- Petroleum  
00:00 12-Nov-07   [Replies: 0, Views: 36]    By: Unnamed
It finally happened. An ecological disaster right in the heart of the "greens" homeland--San Francisco. It's outrageous. The most ardent protectors of the environment couldn't stop it. N...
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